The Slumberland Response Latex 1.0 Mattress gets the construction right: latex over pocket springs, the build I'd steer most people towards. The catch is the firmness. It only comes in Firm and Extra Firm, which makes it a mattress for back and front sleepers and heavier bodies, and side sleepers should go straight to the 2.0, which adds a Medium.
A latex top over two layers of pocket springs
Under a deep quilted, stretch-knit top sits a layer of latex infused with graphite, then a comfort foam layer, then two tiers of pocket springs: 1250 full-height nested springs for support and 1500 mini pocket springs above them for comfort. Bensons adds those up to 2750. The border is reinforced, and it's a no-turn mattress with flag-stitched handles for rotating.
Latex is the best material most people never try. It's bouncy, it lets you move, it doesn't trap heat the way memory foam does, and it lasts. Slumberland adds graphite to draw heat away, which I'd count as a bonus and not the reason to buy. Expect a firm, lively feel with a cushioned first layer and a top that pushes back the moment you shift.
Don't be dazzled by the spring total. Fifteen hundred of those springs are minis sitting in the comfort layer, and the support comes from the 1250 underneath. Two tiers of springs is a good build; adding them together is a number for the sticker.
For firm sleepers, and only firm sleepers
Back and front sleepers who like a firm bed, and heavier sleepers in any position, are the match. My rule is weight first, then position, and this sits at the heavier end of it. Couples get a reinforced edge, which I'd want on anything smaller than a king, and pocket springs that keep a partner's turning mostly on their side. The owner reviews are thin so far, a couple of short, happy ones, so the construction is the evidence here, and it's good evidence.
Avoid it if you sleep on your side, and especially if you're light, because firm latex gives a shoulder less room than you'd think. Avoid it if latex doesn't agree with you; latex allergy exists. Slumberland is Bensons' own brand, made in its own factory, so you can't compare the price at another shop. Own brands sometimes give you more mattress for the money and sometimes just give the retailer more margin, so judge it on the sale price against other latex hybrids.
What to buy instead
Side sleepers should buy the Slumberland Response Latex 2.0 in Medium, which keeps the latex top and adds more mini springs. If you want firm, the 1.0 already has the latex, the support springs and the reinforced edge, so I wouldn't step up for 500 more mini springs alone. Hot sleepers who aren't sold on latex should look at a pocket-sprung mattress with wool fillings.